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Original Message
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| RE: Adjustable Vacuum Advance |
| By Royce Peterson - 11/10/2001 2:49:50 PM; IP 205.188.193.41 |
You should first get rid of the stumble, usually done by adding more initial advance. Once you have the tip in respose problem cured then you use the adjustable vacuum advance to limit the total advance number. I would try something like 14 degrees initial (hose disconnected and plugged) and try to have full advance with everything connected by 2800 of 40 - 42 degrees. If it pings on a 3000 RPM punch , you might have to back it down again using the adjustable vacuum unit to get rid of the preignition. It is all dependent upon cylinder pressure versus octane versus vehicle weight versus gearing. This many variables means that you have to set it while driving it and the actual numbers are meaningless, the end result is all that mattters.
Good Luck,
Royce Peterson |
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